R-5 Residential, 5 dwellings per acre in Fairfax County
Applies to district codes matching R-?5.
Rules last checked by a person on October 20, 2026. Guidance only; confirm with Fairfax County before you build.
Garage
| House setbacks | 20 ft front, 8 ft side, 25 ft rear, 35 ft height |
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ADU
| House setbacks | 20 ft front, 8 ft side, 25 ft rear, 35 ft height |
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